What is the best treatment for tennis elbow pain?

This is a story about my mom.

He doesn't usually do sports like golf or tennis, but at some point, he started experiencing elbow pain.

At first, I thought I had used my muscles incorrectly or that it was just temporary pain, but they said the pain is getting worse.

They say that the pain spikes especially whenever they lift objects, twist bottle caps, or perform movements that require strength in their arms.

They complain of arm pain all the time because the throbbing or stiff sensation persists even when they are still.

The hospital said it was tennis elbow, and my mom received a lot of physical therapy.

 

You also received shockwave therapy a few times.

I had high hopes for the shockwave therapy because I heard it was effective, but my mom was in so much pain that we stopped it for now.

I asked about injection treatment, but they didn't want it because they were worried about side effects since the injections were steroids.

For now, I am receiving physical therapy and have been prescribed medication.

I looked at the medicine bag and saw that the medicine was an anti-inflammatory and a stomach protectant.

But I don't think this alone will be enough to completely relieve the pain.

They say that even if they receive physical therapy, the effects do not last long.

They don't even do exercises that use their arms, so I wonder why these symptoms appeared. Is it possible for this to suddenly develop in middle age?

Since it is his right hand, it is difficult for him not to use his arm.

So, if treatment like the one I've just received hasn't been very effective, how should I usually treat and manage the situation?

He usually wears a brace or tape, but should he endure the shockwave therapy and continue receiving treatments, or would it be better to reconsider injection therapy?

What are some other treatment methods or exercise methods that are actually effective?